Power Box DPC-4000-240V-3P (30Amp, Four 240V Outlets) 3-Prong Plug Heavy-duty construction with industrial-grade components Programmable digital timer to control light cycles All outlets are directly wired to lighting relay, no daisy-chaining Plug & play into 3-prong dryer-type outlet Must be installed with a properly rated main circuit breaker. Total Outlet: 4